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HIMA Central Module Specification
| Manufacturers | Hima |
| Product Number | F8641 |
| Type | Central Module |
Processor | 32-bit architecture |
Clock Speed | 100 MHz to 200 MHz |
Dimensions (WxHxD) | 2.5 cm x 12.7 cm x 20.3 cm |
| Weight | 0.4 kg (14 oz) |
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HIMA Central Module Details
Description
The HIMA F8641 is a central processing unit (CPU) module primarily used in H41q and H51q safety-related automation systems. F8641 is designed for high-reliability applications such as emergency stop (ESD) systems, process automation, and machine control.
Feature

32-bit Processor: High-speed architecture for precise safety logic processing.
100-200 MHz Clock Speed: Rapid execution of safety instructions and scan cycles.
128 KB RAM: Reliable temporary storage for real-time operational data.
1 MB Flash Memory: Non-volatile storage to keep safety programs safe during power loss.
128 I/O Support: Connectivity for up to 128 sensors and execution devices.
Compact Design: Standard 1-inch width fits easily into H41q/H51q system racks.
Lightweight Build: Rugged 0.4 kg module optimized for industrial vibration resistanceApplication
The HIMA F8641(HIMA Central Module) is a high-reliability CPU module used in chemical processing plants to ensure safe operation in hazardous areas; HIMA Central Module can use in safe shutdown systems to provide critical control for high-integrity pressure protection; HIMA Central Module can use and in industrial automation as a reliable controller for safety logic in complex buildings and processes.
If you want to more details about HIMA Central Module,please contact me without hesitate.Email:sales@sparecenter.com
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F8641 Images
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F8641 Central Module FAQ
1. What is the maximum safety rating achievable with a HIMA F8641 CPU?
When integrated into H41q or H51q systems, the HIMA F8641 is TUV-certified for safety-critical tasks up to SIL 3 (IEC 61508). To maintain this rating, the HIMA F8641(HIMA Central Module) must be used in a redundant configuration to ensure fault tolerance.2. How does the HIMA F8641 handle memory persistence during power loss?
The HIMA F8641 stores the operating system and specific safety logic within its 1 MB Flash EPROM. This design ensures that the HIMA F8641 retains all critical application data indefinitely without requiring an external battery backup.3. Is it possible to perform a "Hot Repair" using the F8641 Central Module?
Yes, in redundant system architectures, a failed F8641 Central Module can be replaced while the system is under voltage. The new F8641 Central Module will automatically synchronize with the active CPU, allowing for continuous protection without process interruption.4. Which specific system racks are compatible with the F8641 Central Module?
The HIMA F8641 is specifically engineered for the HIMA H41q and H51q sub-racks. Due to its unique 32-bit architecture and physical pinout, the F8641 Central Module cannot be interchanged with newer HIMax or older H50 series hardware.5. What is the recommended strategy for a failed F8641 Central Module given its EOL status?
Since the F8641 Central Module was discontinued in 2000, users should maintain a stock of certified refurbished HIMA F8641 units. For long-term reliability, HIMA recommends planning a migration from the HIMA F8641-based systems to the modern HIMax platform.
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Other Modules
| F3237 | F8620/4 |
| F3330 | HIMATRIX F35 |
| F6217 | HIMATRIX F2DO1601 |
| F6705 | F3349 |
| F7133 | F8650X |
| F8650E | H4135A |
| F3236 | F3421 |
| F7126 | HIMATRIX F1DI1601 |
| F7130 | H4137 |
| HIMATRIX F3DIO8/801 | Z7136 |
| HIMATRIX F2DO1602 | F3AIO8/401 |
| HIMATRIX F3DIO20/802 | HIMATRIX F30 |
| Z7138 | F7553 |
| Z7128 | F3322 |
| F8628X | H7506 |
| F3237 | F6205 |

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